🗄️Developer Resource // JSON Endpoint
ERC JSON Data API
Access 275 data points for ERC spanning 23 years (2003–Apr 22, 2026). Optimized JSON format (40.3 KB).
Programmable Sovereign Interface — chart this JSON in the Terminal.
Local-first analysis. Stateless data. Your browser is the vault.
Download as CSV
Prefer CSV format? Download ERC historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/ERC/json● 200 OK (Live)Tired of exporting to Excel? Track ERC and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "ERC",
"timestamp": "2026-04-22T17:53:51.836Z",
"price": 9.225,
"change_24h": 0.1628664495113875,
"history_sample": [
{
"date": "2003-07-01",
"open": 20.03,
"high": 20.05,
"low": 20,
"close": 20,
"volume": 1572900
},
{
"date": "2003-08-01",
"open": 20,
"high": 20.01,
"low": 17.35,
"close": 18,
"volume": 3442300
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import ERC🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync ERC.json updates to your private Google Drive for backtesting and compliance.
Enable Sovereign SyncIncludes unlimited API calls & historical CSV exports.
Dataset Specifications
- Format: Standardized JSON (OHLCV)
- Frequency: End-of-Day (EOD) + Real-time delay
- Adjustments: Split-adjusted, Dividend-adjusted
- Source: Multi-provider aggregation (AlphaVantage, Yahoo fallback)